Valve or cock.



PATENTBD MAY 24, 1904.

H. J. MORELAND. VALVE 0R COCK.

` APPLICATION FILED 920.18. 1902.

N0 MODEL.

3o taken on the line X X of Fig. 1.

UNITED STATES Patented May 24, 1904.

PATENT OFFICE.

HENRY J. MORELAND, OF PITTSBURG, PENNSYLVANIA, ASSIGNOR, BY DIRECT ANDMESNE ASSIGNMENTS, OF ONE-FOURTH TO M. E. HARRISON AND JAMES l'.GALBREATH, OF PARNASSS, PENNSYLVANIA.

VALVE OR COCK..

SPECIFICATION forming' part of- Letters Patent No. 760,546, dated May24, 1904. Application filed December 18, 1902. Serial No. 135,782. (Nomodel.)

.To cti/Z 11i/1,0711, it 'nt/.ty con/cern.'

,Be it known that l, HENRY J. MonELANn, a citizen of the United States,residing at Pittsburg, in the county of Allegheny and State ofPennsylvania, have invented a new and useful Improvement in Valves orCocks, of which improvement the following is a specification.

This invention relates to an improved valve or cock; and it consists inthe certain details 1o of construction and combination of parts, as

will be fully described hereinafter.

The object of the invention is to provide a self-lubricating valve orcock, thereby preventing the plug of the same from becoming I 5 set ordiflicult to move, also to provide the same with ball-bearings to reducethe friction,

also to provide a means of adjusting the plug in the casing to theproper position and holding the same in this position, whereby the 2oplug may not work down and become tight, and also to provide oil-ductsin the shell or casing to properly'lubricate all the working parts ofthe cock.

1n the accompanying drawings, Figure 1 is 2 5 a side sectional elevationof my improved cock or Valve, a part of which is shown in elevation, thesame being constructed and arranged in accordance with my invention.Fig. 2 is a sectional plan view, the said section being Fig. 3 is a planview of the top cap or cover of the valve.

To put my invention into practice, 1 provide a shell 1 of a suitablesize and form of construction having an inner annular tapering bore openat the top and closed at the base and being provided with the usualinlet 9 and outlet connections 10 and also with a ange 11` about thetop. Operating through the 4o center' of the base is a threadedset-screw 3, having a jam-nut 4 and entering the inner chamber of thevalve-casing' l. Resting upon the top of this set-screw 3 is a disk 5,loosely arranged within the casing 1 and having formed in the topsurface near the periphery a sha1- low groove, in which a series ofballs 6 are placed in order that a ball-bearing may be formed betweenthe lower end of the plug 7 and the said disk 5. This plug 7 is taperedand circular in cross-section and is provided with the usual opening 8,registering with the inlet and outlet openings 9 and 10, and the top ofthe said plugfornied with a cylindrical portion 14 and a square end 15,the said end being used for turning the plug either with a wrench orother means.

Arranged upon the top of the casing 1 and attached thereto by means ofbplts 12 and nuts 13 is a cap-piece 21, having an annular threaded boss22, in which a gland is made to operate, the said gland beingcounterbored and fitted with a metallic packing 16. The bolts attachingthe top piece 21 to the flanges of the casing operate in threadedopenings formed in the said flange 11 and are litted with nuts 65 13, bywhich construction the said cap-piece may be locked in a position abovethe liange should the top of the plug 2 project above the surface ofthesame. An opening 19 is formed in the top piece, by means of which oilmay be introduced to the parts of the valve, and formed at suitablepoints at the inner side of the casing are oil-ducts 20, leading fromthe top of the bore to the base, permitting' the lubricant access to thelower working parts of the valve. A small set-screw 23 is arranged inthe base of the boss of the top piece or cap for the purpose ofimpinging against the threads of the gland 16 to prevent the same fromturning. 8o

In operation a suitable lubricant is introduced into the casing 1,filling the ducts and all interveningspace not occupied by the parts ofthe valve. The plug may be adjusted to any height by means of theset-screw at the base 8 5 and held in the desired position by the glandat the top, the ball-bearings reducing the friction at the base to theminimum. The ducts in the side walls of the casing lubricate the plug,preventing corrosion, making the plug 9o easy to operate, and acting asa seal and preventing' any slight imperfections between the walls of thecasing and that of the plug.

Various modifications and changes may be made in the details ofconstruction without departing from the spirit of the invention,

such as providing a ball-bearing between the top of the plug andcap-piece, also providing gearing in connection with plug in case theinvention is in use on large valves. Therefore I do not confine myselfto the exact construction shown and described.

Having thus described my invention, what I claim, and desire to secureby Letters Patent, is-

The combinationwith a shell having an opening in its top and side walls,a plug mounted in said shell and being formed with a transverse openingadapted to register with the openings in the side wall of said shell,the upper and lower ends of said plug being spaced from the top andbottom of said shell, a gland projecting through the opening in the topwall of said shell and engaging said plug, the interior of said shellbeing formed with vertical grooves, the lower end of said plug beingformed with a groove, a disk supported on a screw projecting through thebottom of the shell, and balls arranged in said plate and engaging thegroove in the lower end of the plug, said top wall of the shell beingprovided with an oil-opening.

In testimony whereof I have hereunto signed my name in the presence oftwo subscribing witnesses.

HENRY J. MORELAND.

